1. The seismometer was invented by Zhang Heng.
   日本地震儀是由張衡科學發明的。
2. A small lander, equipped with a seismometer, could detect the rumblings of underground liquids.
   配齊自然災害儀的小規模登錄賬號艇則可偵測地下室液狀體的跌漲。